SUNDAY, Nov. 25 (HealthDay News) -- The arrival of cold weather increases the risk of carbon monoxide poisoning, which can occur when gas furnaces, fireplaces and other heating devices don't work properly and release the dangerous gas into homes, experts warn.

SUNDAY, Nov. 25 (HealthDay News) -- Reading, writing and playing cards and board games may be more than just fun pastimes, they may also help aging brains stay healthy, researchers say.